Front Audio - AOpen AX3S-1394 Easy Installation Manual

10. Connecting ATX Power Connector
The ATX power supply uses 20-pin connector shown below. Make sure you plug in the
right direction.
11. Connect IrDA Connector
The IrDA connector can be configured to support wireless infrared module, with this
module and application software such as Laplink or Windows 95 Direct Cable
Connection, the user can transfer files to or from laptops, notebooks, PDA devices and
printers. This connector supports HPSIR (115.2Kbps, 2 meters) and ASK-IR (56Kbps).
Install the infrared module onto the IrDA connector and enable the infrared function
from BIOS Setup, UART mode select, make sure to have the correct orientation when
you plug in the IrDA connector.
Pin 1
NC KEY
+5V GND
IR_TX IR_RX
COM +5V
+5V COM
COM PW-OK
+3.3V 5VSB
+3.3V +12V
+3.3V +5V
-12V +5V
COM -5V
PS-ON COM
COM COM
12. Connecting CD / MODEM / AUX Connector
AUX-IN
(Green)
CD-IN (Black)

13. Front Audio

If the housing has been designed with an audio port on the front panel, you'll be able to
connect onboard audio to front panel through this connector. By the way, please remove
the jumper cap from the Front Audio Connector before you connect the cable. Do not
remove this yellow jumper cap if housing without an audio port on the front panel.
Pin 1
1 2
GND
FP_MIC
+5V
FP_VREF
JS1
PHONE_R
KEY
NC
NC
PHONE_L
9 10
The CD-IN connector is used to connect CD Audio
cable from CDROM or DVD drive to onboard sound.
The MODEM-CN connector is used to connect
Mono In/ Mic Out cable from internal modem card to
onboard sound circuit.
The AUX-IN connector is used to connect MPEG
Audio cable from MPEG card to onboard sound.
MODEM-CN (Red)
Connector Pin1 Pin2 Pin3
CD-IN Left GND GND
MODEM-CN
Mono In GND GND Mic Out
AUX-IN Left GND GND
Pin4
Right
Right